SSM(SpringMVC+Spring+Mybatis)框架搭建
阿新 • • 發佈:2019-01-09
1. 使用Maven建立一個webapp專案
2.Maven引入需要的JAR包
pom.xml
<!-- 集中定義依賴版本號 -->
<properties>
<junit.version>4.10</junit.version>
<spring.version>4.1.3.RELEASE</spring.version>
<mybatis.version>3.2.8</mybatis.version>
<mybatis.spring.version >1.2.2</mybatis.spring.version>
<mybatis.paginator.version>1.2.15</mybatis.paginator.version>
<mysql.version>5.1.32</mysql.version>
<slf4j.version>1.6.4</slf4j.version>
<jackson.version>2.4.2</jackson.version>
<druid.version >1.0.9</druid.version>
<httpclient.version>4.3.5</httpclient.version>
<jstl.version>1.2</jstl.version>
<servlet-api.version>2.5</servlet-api.version>
<jsp-api.version>2.0</jsp-api.version>
<joda-time.version >2.5</joda-time.version>
<commons-lang3.version>3.3.2</commons-lang3.version>
<commons-io.version>1.3.2</commons-io.version>
</properties>
<dependencies>
<!-- 單元測試 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- springMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- Mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis.spring.version}</version>
</dependency>
<!-- 分頁助手 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>3.7.5</version>
</dependency>
<dependency>
<groupId>com.github.jsqlparser</groupId>
<artifactId>jsqlparser</artifactId>
<version>0.9.1</version>
</dependency>
<!-- 通用Mapper -->
<dependency>
<groupId>com.github.abel533</groupId>
<artifactId>mapper</artifactId>
<version>2.3.4</version>
</dependency>
<!-- MySql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- Jackson Json處理工具包 -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- 連線池 -->
<dependency>
<groupId>com.jolbox</groupId>
<artifactId>bonecp-spring</artifactId>
<version>0.8.0.RELEASE</version>
</dependency>
<!-- httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>${httpclient.version}</version>
</dependency>
<!-- JSP相關 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet-api.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp-api.version}</version>
<scope>provided</scope>
</dependency>
<!-- 時間操作元件 -->
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>${joda-time.version}</version>
</dependency>
<!-- Apache工具元件 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<!-- 資原始檔拷貝外掛 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>2.7</version>
<configuration>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- java編譯外掛 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
<!-- <pluginManagement>
<plugins>
配置Tomcat外掛
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
<configuration>
<port>8081</port>
<path>/</path>
</configuration>
</plugin>
</plugins>
</pluginManagement> -->
</build>
3.SpringMVC+Spring+Mybatis的整合思路
1)整合dao層
整合mybatis框架;
1.建立mybatis-config.xml,配置mybatis自己的引數
2.建立apapplicationContext-mybatis.xml
- 配置資料來源。
- 需要讓Spring容器管理SqlsessionFactory,單例存在。
- 把mapper的代理物件放到Spring容器中。
2)整合Service層
1.事務管理
2.需要把service實現類物件放到spring容器中管理。
3)整合表現層
整合SpringMVC
1.配置註解驅動
2.配置檢視解析器
3.需要掃描controller
4)web.xml
1.Spring容器的配置
2.Springmvc前端控制器的配置
3.Post亂碼過濾器
3.1 Spring整合dao
建立apapplicationContext-mybatis.xml
- 配置資料來源。
- 需要讓Spring容器管理SqlsessionFactory,單例存在。
- 把mapper的代理物件放到Spring容器中。
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
<!-- 載入配置檔案 -->
<context:property-placeholder location="classpath:jdbc.properties" />
<!-- 定義資料來源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
destroy-method="close">
<!-- 資料庫驅動 -->
<property name="driverClass" value="${driver}" />
<!-- 相應驅動的jdbcUrl -->
<property name="jdbcUrl" value="${url}" />
<!-- 資料庫的使用者名稱 -->
<property name="username" value="${mysqluser}" />
<!-- 資料庫的密碼 -->
<property name="password" value="${mysqlpassword}" />
</bean>
<!-- sqlSession工廠 mapper的介面配置 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 載入全域性的配置檔案 -->
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property>
<!-- 配置mapper的掃描,找到所有的mapper.xml對映檔案。 -->
<property name="mapperLocations" value="classpath:mybatis/mapper/*.xml"></property>
<!-- 配置類型別名 -->
<property name="typeAliasesPackage" value="dwj.lifeshop.pojo"></property>
</bean>
<!-- mapper代理物件 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--配置mapper介面所在路徑,掃描路徑下的所有的mapper介面 如果配置多個mapper的包,使用逗號進行分割-->
<property name="basePackage" value="dwj.lifeshop.mapper" />
</bean>
</beans>
jdbc.properties(資料庫資訊)
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/lifeshop_db?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&rewriteBatchedStatements=TRUE
mysqluser=root
mysqlpassword=123
mybatis-config.xml(mybatis自身屬性配置)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<settings>
<!-- 開啟駝峰匹配 -->
<setting name="mapUnderscoreToCamelCase" value="true" />
</settings>
<!-- 分頁助手 -->
<plugins>
<!-- com.github.pagehelper為PageHelper類所在包名 -->
<plugin interceptor="com.github.pagehelper.PageHelper">
<!-- 資料庫方言 -->
<property name="dialect" value="mysql" />
<!-- 設定為true時,使用RowBounds分頁會進行count查詢 會去查詢出總數 -->
<property name="rowBoundsWithCount" value="true" />
</plugin>
<!-- 通用mapper的配置 -->
<plugin interceptor="com.github.abel533.mapperhelper.MapperInterceptor">
<!-- 主鍵自增回寫方法 -->
<property name="IDENTITY" value="MYSQL" />
<!-- 通用mapper介面,如果有多個,用逗號隔開 -->
<property name="mappers" value="com.github.abel533.mapper.Mapper" />
</plugin>
</plugins>
</configuration>
mybatis/mapper/mapper.xml 用於對映對應實體類,可在內配置複雜SQL語句
舉例:userMapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<!-- namespace 理論上隨意命名 因為mybatis動態代理的使用 書寫時,要講namespace指定為介面的全路徑 -->
<mapper namespace="com.**.dao.UserMapper">
<select id="selectByPhone" resultType="User">
select * from tb_user where phone = #{phone}
</select>
<select id="queryByQQid" resultType="User">
select * from tb_user where qqid = #{openid}
</select>
<select id="queryByWeiXinid" resultType="User">
select * from tb_user where weixinid = #{openid}
</select>
<select id="queryByWeiBoid" resultType="User">
select * from tb_user where weiboid = #{openid}
</select>
</mapper>
3.2 Spring整合Service
1.事務管理
2.需要把service實現類物件放到spring容器中管理。
建立applicationContext-tx.xml 配置Spring事務相關
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
<!-- 定義事務管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 定義事務策略 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!--所有以query開頭的方法都是隻讀的 -->
<tx:method name="query*" read-only="true" />
<tx:method name="get*" read-only="true" />
<tx:method name="find*" read-only="true" />
<tx:method name="select*" read-only="true" />
<!--其他方法使用預設事務策略 -->
<tx:method name="*" />
</tx:attributes>
</tx:advice>
<aop:config>
<!--pointcut元素定義一個切入點,execution中的第一個星號 用以匹配方法的返回型別,
這裡星號表明匹配所有返回型別。 com.abc.dao.*.*(..)表明匹配com.**.service包下的所有類的所有
方法 -->
<aop:pointcut id="myPointcut" expression="execution(* dwj.service.*.*(..))" />
<!--將定義好的事務處理策略應用到上述的切入點 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="myPointcut" />
</aop:config>
</beans>
applicationContext-service.xml,把service實現類物件放到spring容器中管理。
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
<!-- 掃描包載入Service實現類 -->
<context:component-scan base-package="dwj.lifeshop.service"></context:component-scan>
</beans>
3.3 Spring整合SpringMVC
1、配置註解驅動
2、配置檢視解析器
3、需要掃描controller
applicationContext-springmvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="dwj.lifeshop.controller" />
<mvc:annotation-driven />
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- 資源對映,靜態資源放行 -->
<mvc:resources location="/WEB-INF/css/" mapping="/css/**"/>
<mvc:resources location="/WEB-INF/js/" mapping="/js/**"/>
<!-- 定義檔案上傳解析器 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 設定預設編碼 -->
<property name="defaultEncoding" value="UTF-8"></property>
<!-- 設定檔案上傳的最大值5MB,5*1024*1024 -->
<property name="maxUploadSize" value="5242880"></property>
</bean>
</beans>
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="lifeshop" version="2.5">
<display-name>taotao-manager</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- 載入spring容器 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/applicationContext-*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 解決post亂碼 -->
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- springmvc的前端控制器 -->
<servlet>
<servlet-name>lifeshop</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- contextConfigLocation不是必須的, 如果不配置contextConfigLocation, springmvc的配置檔案預設在:WEB-INF/servlet的name+"-servlet.xml" -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/applicationContext-springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>lifeshop</servlet-name>
<!--/:會攔截所有請求包括靜態資源。需要在springmvc.xml中新增靜態資源的對映。-->
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
4.啟動測試
在controller層或者service層寫一個簡單的測試程式碼,具體操作後期有時間再補